//
//  AppDelegate.m
//  智慧安卓IOS
//
//  Created by  androidlongs on 17/5/31.
//  Copyright © 2017年  androidlongs. All rights reserved.
//

#import "AppDelegate.h"


@interface AppDelegate ()

@end


@implementation AppDelegate

@synthesize splashView;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    CGRect rect = [[UIScreen mainScreen] bounds];
    CGSize size = rect.size;
    CGFloat width = size.width;
    CGFloat height = size.height;
    
    [self.window makeKeyAndVisible];
    
    splashView = [[UIImageView alloc]initWithFrame:CGRectMake(0,0,width,height)];
    [splashView setImage: [self blur:[UIImage imageNamed:@"welcom_bg_2"]]];
    
    
   
    
    [self.window addSubview:splashView];
    [self.window bringSubviewToFront:splashView];
    
    [self performSelector:@selector(showWord) withObject:nil afterDelay:1.0f];
    
    return YES;
}
- (UIImage*) blur:(UIImage*)theImage
{
    // create our blurred image
    CIContext *context = [CIContext contextWithOptions:nil];
    CIImage *inputImage = [CIImage imageWithCGImage:theImage.CGImage];
    
    CIFilter *affineClampFilter = [CIFilter filterWithName:@"CIAffineClamp"];
    CGAffineTransform xform = CGAffineTransformMakeScale(1.0, 1.0);
    [affineClampFilter setValue:inputImage forKey:kCIInputImageKey];
    [affineClampFilter setValue:[NSValue valueWithBytes:&xform
                                               objCType:@encode(CGAffineTransform)]
                         forKey:@"inputTransform"];
    
    CIImage *extendedImage = [affineClampFilter valueForKey:kCIOutputImageKey];
    
    // setting up Gaussian Blur (could use one of many filters offered by Core Image)
    CIFilter *blurFilter = [CIFilter filterWithName:@"CIGaussianBlur"];
    [blurFilter setValue:extendedImage forKey:kCIInputImageKey];
    [blurFilter setValue:[NSNumber numberWithFloat:10.0f] forKey:@"inputRadius"];
    CIImage *result = [blurFilter valueForKey:kCIOutputImageKey];
    
    // CIGaussianBlur has a tendency to shrink the image a little,
    // this ensures it matches up exactly to the bounds of our original image
    CGImageRef cgImage = [context createCGImage:result fromRect:[inputImage extent]];
    
    UIImage *returnImage = [UIImage imageWithCGImage:cgImage];
    //create a UIImage for this function to "return" so that ARC can manage the memory of the blur...
    //ARC can't manage CGImageRefs so we need to release it before this function "returns" and ends.
    CGImageRelease(cgImage);//release CGImageRef because ARC doesn't manage this on its own.
    
    return returnImage;
}
-(void)showWord

{
    CGRect rect = [[UIScreen mainScreen] bounds];
    CGSize size = rect.size;
    CGFloat width = size.width;
    CGFloat height = size.height;
    
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, height/2-50, width, 50)];
    label.text = @"世界与你同在";
    //清空背景颜色
    label.backgroundColor = [UIColor clearColor];
    //设置字体颜色为白色
    label.textColor = [UIColor whiteColor];
    //文字居中显示
    label.textAlignment = UITextAlignmentCenter;
    //自动折行设置
    label.lineBreakMode = UILineBreakModeWordWrap;
    label.numberOfLines = 0;
    
    [splashView addSubview:label];
    
    label.alpha =0.0;
    
    [UIView animateWithDuration:1.0f delay:0.0f
     
                        options:UIViewAnimationOptionCurveLinear
     
                     animations:^
     
     {
         
         label.alpha =1.0;
         
     }
     
                     completion:^(BOOL finished)
     
     {
         
         // 完成后执行code
         
         [NSThread sleepForTimeInterval:1.0f];
         
         [splashView removeFromSuperview];
         
     }
     
     ];
    
}

- (void)applicationWillResignActive:(UIApplication *)application {
    
    
}


- (void)applicationDidEnterBackground:(UIApplication *)application {
    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}


- (void)applicationWillEnterForeground:(UIApplication *)application {
    // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
}


- (void)applicationDidBecomeActive:(UIApplication *)application {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}


- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    // Saves changes in the application's managed object context before the application terminates.
    [self saveContext];
}


#pragma mark - Core Data stack

@synthesize persistentContainer = _persistentContainer;

- (NSPersistentContainer *)persistentContainer {
    // The persistent container for the application. This implementation creates and returns a container, having loaded the store for the application to it.
    @synchronized (self) {
        if (_persistentContainer == nil) {
            _persistentContainer = [[NSPersistentContainer alloc] initWithName:@"____IOS"];
            [_persistentContainer loadPersistentStoresWithCompletionHandler:^(NSPersistentStoreDescription *storeDescription, NSError *error) {
                if (error != nil) {
                    // Replace this implementation with code to handle the error appropriately.
                    // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                    
                    /*
                     Typical reasons for an error here include:
                     * The parent directory does not exist, cannot be created, or disallows writing.
                     * The persistent store is not accessible, due to permissions or data protection when the device is locked.
                     * The device is out of space.
                     * The store could not be migrated to the current model version.
                     Check the error message to determine what the actual problem was.
                     */
                    NSLog(@"Unresolved error %@, %@", error, error.userInfo);
                    abort();
                }
            }];
        }
    }
    
    return _persistentContainer;
}

#pragma mark - Core Data Saving support

- (void)saveContext {
    NSManagedObjectContext *context = self.persistentContainer.viewContext;
    NSError *error = nil;
    if ([context hasChanges] && ![context save:&error]) {
        // Replace this implementation with code to handle the error appropriately.
        // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
        NSLog(@"Unresolved error %@, %@", error, error.userInfo);
        abort();
    }
}

@end
